Pyrazolone
Encyclopedia
Lactam
A lactam is a cyclic amide. Prefixes indicate how many carbon atoms are present in the ring: β-lactam , γ-lactam , δ-lactam...
, is a derivative of pyrazole
Pyrazole
Pyrazole refers both to the class of simple aromatic ring organic compounds of the heterocyclic diazole series characterized by a 5-membered ring structure composed of three carbon atoms and two nitrogen atoms in adjacent positions, and to the unsubstituted parent compound...
that has an additional keto
Keto
Keto can refer to:* The Keto people, an ethnic group of the Siberian North.* Ceto or Keto, a sea goddess in Greek mythology.* Ketone or keto group, the functional group in the chemical compounds ketones....
(=O) group.
It has a molecular formula of C3H4N2O.
Examples of derivatives include:
- AmpyroneAmpyroneAmpyrone is a metabolite of aminopyrine with analgesic, anti-inflammatory, and antipyretic properties. Due to the risk of agranulocytosis its use as a drug is discouraged. Instead it is used as a reagent for biochemical reactions producing peroxides or phenols. Ampyrone stimulates liver microsomes...
- MetamizoleMetamizoleMetamizole sodium or dipyrone is a powerful analgesic and antipyretic. It is marketed under various trade names, including Algozone, Algocalmin, Analgin, Dipirona, Novalgin, Neo-Melubrina and Optalgin. Metamizole was first synthesized by the German company Hoechst AG in 1920, and its mass...
- PhenazonePhenazonePhenazone , phenazon, antipyrine , or analgesine is an analgesic and antipyretic. It was first synthesized by Ludwig Knorr in 1883. It is formed by reducing diortho- dinitrodiphenyl with sodium amalgam and methyl alcohol, or by heating diphenylene-ortho-dihydrazine with hydrochloric acid to...